CN205977229U - Arcading tunnel non - flushes entrance to a cave structure suitable for bias voltage condition - Google Patents
Arcading tunnel non - flushes entrance to a cave structure suitable for bias voltage condition Download PDFInfo
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- CN205977229U CN205977229U CN201621008781.XU CN201621008781U CN205977229U CN 205977229 U CN205977229 U CN 205977229U CN 201621008781 U CN201621008781 U CN 201621008781U CN 205977229 U CN205977229 U CN 205977229U
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Abstract
The utility model relates to an arcading tunnel non - flushes entrance to a cave structure suitable for bias voltage condition belongs to highway engineering technical field. The tunnel because the topography, factors such as homogenous rock stratum, construction, lead to the fact structure both sides pressure of surrounding rock to differ great or when asymmetric, be in the bias voltage stress promptly. Most of unsymmetrial loading tunnels are located portal section, the shallow bias voltage that buries of possession shape. Arcading tunnel excavation span is big, institute's structure that connects or difference before the bias voltage condition lower pair hole. The utility model discloses the structure is for overcoming under the bias voltage orographic condition, and the arcading tunnel shuan dong entrance to a cave flushes and sets up with former landform and physiognomy inharmoniously, and links up shortcoming such as nature with the preoral different structures in shuandong hole, and proposes the entrance to a cave structure that a non - flushed. This structure includes parts such as headwall, bias voltage wall, horizontal binder and open cut tunnel lining cutting. The wrong opening range in the two holes of this structure is from adjusting according to the circumstances such as joint construction thing before topography bias voltage degree, the hole are nimble. This structure has very strong practicality and promotes the meaning.
Description
Technical field
This utility model belongs to field of engineering technology and in particular to a kind of multiple-arch tunnel being applied to bias condition is non-flushes
Structure of the window.
Background technology
Vcehicular tunnel, due to factors such as landform, geological formations, constructions, causes the pressure from surrounding rock of supporting construction both sides to differ relatively
Greatly or by during unsymmetrical loading effect, that is, it is in bias stress.According to the investigation of unsymmetrial loading tunnel, most bias is located at
Portal Section, belongs to landform Shallow-buried.In Mountainous Highway Construction, setting tunnel is inevitable；Meanwhile, build highway choosing
Line inevitably passes through steeply inclined massif again, builds tunnel in these positions, and situation about biasing most probably in its hole；Before
Stating hole bias is a horizontal concept, and tunnel structure left and right sides load can be led to asymmetric；Actually tunnel is at hole
Also there is a concept longitudinally biasing in section, extend to barrel with tunnel, and buried depth continues to increase, and this bias may result in structure
Change therewith in longitudinal stress；The bias superposition of both direction will be extremely complex for the stress leading to tunnel portal section.
Usually, multiple-arch tunnel mostly is short tunnel, how by positioning non-controlling engineering structure, the selection clothes of its position
From the trend of route, this leads to be located at bias landform section the hole of multiple-arch tunnel more；On the other hand, to bias topographical position
Multiple-arch tunnel, the structures connecting before its Shuan Dong hole mostly are different in fact it could happen that being high slope cut subgrade, outer inside backer
Situations such as side is bridge；For multiple-arch tunnel bias hole by the flushing of traditional sense, isometric mode arranges and actually deposits
In certain difficulty, side may be led to dig greatly, that opposite side is filled out greatly etc. is both uneconomical, and inharmonic effect.Therefore how gram
Take the problem that the deficiencies in the prior art are current field of engineering technology urgent need to resolves.
Content of the invention
The purpose of this utility model be for overcome bias orographic condition under, multiple-arch tunnel Shuan Dong hole flush setting with former
Topography and geomorphology is inharmonious, and the shortcomings of be connected unnatural with the tripe systems divine force that created the universe before Shuan Dong hole, provides one kind to be applied to bias
The multiple-arch tunnel non homogeneity adit mouth structure of condition, performs method compared to traditional, the conventional portal structure that flushes, and is effectively reduced big
Dig the earth and rock works filled out greatly and substantial amounts of protection works, the construction time can reduce cost about 20%；The environmental protection of this utility model structure
Meaning is also evident from.
For achieving the above object, the technical solution adopted in the utility model is as follows：
A kind of multiple-arch tunnel non homogeneity adit mouth structure being applied to bias condition, including backer side portal headwall with from versant
Portal headwall；
Backer side portal headwall is fixedly linked with the arrival end of backer side open cut tunnel lining cutting, from versant portal headwall and from versant
The arrival end of open cut tunnel lining cutting is fixedly linked；
Along tunnel axle longitudinally, be to face towards tunnel portal in case view directions, then the arrival end of backer side open cut tunnel lining cutting
Position will be bordering on the position of the arrival end from versant open cut tunnel lining cutting；Namely the length in backer side one width tunnel relatively from versant one width
The length in tunnel.
Backer side portal headwall from mountain end pass through backer side light and thin type bias wall with from the backer end of versant portal headwall
It is fixedly linked, and the backer side of backer side light and thin type bias wall is fixedly linked with the side from versant of backer side open cut tunnel lining cutting；
The backer end of backer side portal headwall is connected with massif side slope；
Backer side light and thin type bias wall is perpendicular with backer side portal headwall, and backer side light and thin type biases wall and from versant hole
Door headwall is also perpendicular；
Backer side light and thin type bias wall is fixedly linked by the top of horizontal binder and the open cut tunnel lining cutting of backer side；
It is additionally provided with and biases wall from versant gravity type, bias wall and from versant open cut tunnel lining cutting from versant from versant gravity type
Side is fixedly linked, and is vertically connected with from versant portal headwall.
It is further preferred that described horizontal binder has many.
It is further preferred that described horizontal binder（9）There are 2；
It is further preferred that described horizontal binder is 3m/ root along the longitudinally disposed spacing of tunnel axle.
This utility model is applied to the multiple-arch tunnel non homogeneity adit mouth structure of bias condition, by double for arcading holes by one is long and the other is short
Non-isometric degree setting, will press one in front and one in back non-same mileage laying with one end hole two portal；
This utility model structure, on the hole to multiple-arch tunnel is processed, is analogous to separate tunnel, the light and shade hole in two holes
Have a common boundary, that is, enter hole position and each determine respectively, the openings position in two holes and open cut tunnel setting length also each determine respectively；
This utility model is directed to bias condition and flexibly arranges the non-new arcading tunnel portal structure flushing, after the completion of performing
Coordination more aobvious with the linking of adjacent structures with the coupling of former topography and geomorphology, nature.This utility model is applied to bias condition
Multiple-arch tunnel non homogeneity adit mouth structure has very strong practicality and dissemination.
Backer side portal headwall and be double holes respective portal wall from versant portal headwall, is longitudinally located at different along tunnel
Mileage position；Bias wall is for overcoming bias, hole fight back to banket use, for double holes be respectively provided with backer side light and thin type bias wall,
Bias wall from versant gravity type, backer side is that inner side one hole is limited to lay the narrow space of body of wall, biases wall using light and thin type,
It is that outside one hole possesses wider space from versant, wall is biased using gravity type；Laterally binder is located at the open cut tunnel lining cutting of backer side
Top, the open cut tunnel lining cutting of backer side and backer side light and thin type bias wall are linked as entirety；
Backer side light and thin type bias wall bottom is reinforced to substrate using slip casting ductule slip casting, especially outside raising
The bearing capacity of ground and intensity, globality.
The setting length of cut-and-cover tunnel lining cutting, namely two holes each hole to the bout length between the boundary position of light and shade hole,
Main according to two holes each with the relation of bias landform, hole before the determination such as connect structures.Dark hole Jin Dong position, two holes are all by such as
Lower principle determines：Backer side inslope excavation height is pressed and is controlled less than tunnel vault 6m, when landform steeply inclined, Dan Dong have half side
When leaky roof, after processing using back-pressure backfill, enter hole again；After determining into hole position, pour set arch, set safety after pipe canopy and enter
Hole.When tunnel is connected with roadbed, extend hole open cut tunnel and lay length, reduce slope excavating amount；When tunnel is connected with bridge,
By tunnel portal position outside abutment scope.
This utility model structure of the window portal headwall, bias wall moulding should be with original place shape, above-ground route natural sparse model；Two
Hole headwall and bias wall wall construction after the completion of, two hole hole fight back are filled out, backfill must compacting, and be compacted after above-ground route with
Original place upper thread linking smooth-going, the backfill gradient of vertical, horizontal cannot be less than 2%；After the completion of banketing also need to banket top surface clay every
Water layer covers；Hole fight back also needs to carry out the row of cutting that hole is pushed up with water after the completion of filling out.
This utility model structure of the window two headwall standoff distance, namely the distance that staggers in double hole should be according to landform bias journey
Degree, hole front construction thing facilities determine after considering.
This utility model has the advantage that and is embodied in meaning：
This utility model is applied to the multiple-arch tunnel non homogeneity adit mouth structure of bias condition, by double for arcading holes by one is long and the other is short
Non-isometric degree setting, will press one in front and one in back non-same mileage laying with one end hole two portal；
This utility model structure, on the hole to multiple-arch tunnel is processed, is analogous to separate tunnel, the light and shade hole in two holes
Have a common boundary, that is, enter hole position and each determine respectively, the openings position in two holes and open cut tunnel setting length also each determine respectively, two holes
Openings position and open cut tunnel setting length also each determine respectively；
This utility model is directed to bias condition and flexibly arranges the non-new arcading tunnel portal structure flushing, after the completion of performing
Coordination more aobvious with the linking of adjacent structures with the coupling of former topography and geomorphology, nature.This utility model is applied to bias condition
Multiple-arch tunnel non homogeneity adit mouth structure has very strong practicality and dissemination.
Make comparisons in terms of integrated construction phase civil engineering process, this utility model structure and corresponding construction are compared to biography
System, the conventional portal structure that flushes perform method, are effectively reduced and dig greatly the earth and rock works filled out greatly and substantial amounts of protection works, apply
Duration can reduce cost about 20%；
This utility model structure is novel, and environment protection significance is also evident from, and has very strong practicality and dissemination.
Brief description
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or in description of the prior art the accompanying drawing of required use be briefly described it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, in the premise not paying creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is applied to the multiple-arch tunnel non homogeneity adit mouth structure main structure diagram of bias condition for this utility model；
Fig. 2 is applied to the multiple-arch tunnel non homogeneity adit mouth structure overlooking the structure diagram of bias condition for this utility model；
Fig. 3 is applied to the multiple-arch tunnel non homogeneity adit opening structure wall piecemeal drawing of bias condition for this utility model；
Fig. 4 is applied to the multiple-arch tunnel non homogeneity adit mouth structure backer side light and thin type bias of bias condition for this utility model
Wall wall bottom slip casting ductule layout drawing.
Wherein：1st, backer side hole above-ground route；2nd, from versant hole above-ground route；3rd, backer side open cut tunnel lining cutting；4th, from versant
Open cut tunnel lining cutting；5th, backer side portal headwall；6th, from versant portal headwall；7th, backer side light and thin type bias wall；8th, from versant gravity
Formula biases wall；9th, horizontal binder；10th, light and thin type bias wall wall bottom slip casting ductule.
Specific embodiment
Below in conjunction with the accompanying drawings this utility model is further described：
It will be understood to those of skill in the art that the following example is merely to illustrate this utility model, and should not be regarded as limiting
Scope of the present utility model.Unreceipted particular technique, annexation or condition person in embodiment, according to document institute in the art
The technology of description, annexation or condition or carry out according to product description.The unreceipted production firm person of material therefor, is
Can be by buying the conventional products obtaining.
As Figure 1-4, a kind of multiple-arch tunnel non homogeneity adit mouth structure being applied to bias condition, including backer side portal
Headwall 5 and from versant portal headwall 6；
Backer side portal headwall 5 is fixedly linked with the arrival end of backer side open cut tunnel lining cutting 3, from versant portal headwall 6 with from
The arrival end of versant open cut tunnel lining cutting 4 is fixedly linked；
Along tunnel axle longitudinally, be to face towards tunnel portal in case view directions, then the arrival end of backer side open cut tunnel lining cutting 3
Position will be bordering on the position of the arrival end from versant open cut tunnel lining cutting 4；Namely the length in backer side one width tunnel relatively from versant one
The length in width tunnel；
The passing through backer side light and thin type from mountain end and bias wall 7 and the backer from versant portal headwall 6 of backer side portal headwall 5
End is fixedly linked, and backer side light and thin type biases the backer side of wall 7 and the side fixing phase from versant of backer side open cut tunnel lining cutting 3
Even；
The backer end of backer side portal headwall 5 is connected with massif side slope；
Backer side light and thin type bias wall 7 is perpendicular with backer side portal headwall 5, and backer side light and thin type biases wall 7 and from mountain
Side portal headwall 6 is also perpendicular；
Backer side light and thin type bias wall 7 is fixedly linked by the top of horizontal binder 9 and backer side open cut tunnel lining cutting 3；
It is additionally provided with and biases wall 8 from versant gravity type, bias wall 8 and from versant open cut tunnel lining cutting 4 from mountain from versant gravity type
The side of side is fixedly linked, and is vertically connected with from versant portal headwall 6.
Described horizontal binder 9 can have many, preferably 2, and preferably laterally binder 9 is longitudinally disposed along tunnel axle
Spacing is 3m/ root.
In new structure work progress of the present invention, first according to landform bias concrete condition, mainly according to backer side hole
Mouthful above-ground route 1, before versant hole above-ground route 2 and hole, connect structures determine hole and the position of portal headwall.
Tunnel An Dongjin hole position, two holes are all determined by following principle：Backer's side slope excavation height is pressed less than tunnel
Vault 6m controls, and when landform steeply inclined, Dan Dong have half side leaky roof, enters hole again after processing using back-pressure backfill；Determining into hole
Behind position, pour set arch, set safety after pipe canopy and enter hole.
The open cut tunnel segment length in two holes is respective hole to the bout length between the boundary position of light and shade hole.
After determining the hole in two holes, entering hole position, first constructing from versant is outside one hole：The open cut tunnel section cubic metre of earth and stone is opened
Dig, cover arch and pipe canopy, pour from versant open cut tunnel lining cutting 4, pour from versant gravity type bias wall 8, when from versant open cut tunnel lining cutting 4 He
Bias wall 8 and construct to the dark hole Jin Dongjin hole position in inner side one hole from versant gravity type and suspend.
Then construction backer side is inner side one hole：Open cut tunnel section is excavated, set arch and pipe canopy, backer side open cut tunnel lining cutting 3 pour, adopt
Poured with light and thin type bias wall wall bottom slip casting ductule 10 grouting and reinforcing wall bottom ground, backer side light and thin type bias wall 7 and laterally
Binder 9 pours.Wall bottom slip casting ductule 10 is perforated steel pipes, and injecting paste material is cement mortar.
Outside subsequently pouring, a hole is remaining biases wall 8 from versant open cut tunnel lining cutting 4 and from versant gravity type, pours two holes
Headwall backer side portal headwall 5, from versant portal headwall 6.
Finally：Open cut tunnel lining cutting outer splash guard laying and water-proofing treatment；Hole fight back is filled out, and backfill must be according to certain longitudinal and transverse
The gradient（At least above 2%）Backfill, surface of banketing spreads one layer of clay water barrier；Banket and gutter is set with body of wall intersection location, will
Hole top water is drained.
It is the main mistake that this utility model is applied to the multiple-arch tunnel non homogeneity adit opening structure building of bias condition above
Journey.
Of the present utility model ultimate principle, principal character and of the present utility model advantage have been shown and described above.One's own profession
The technical staff of industry it should be appreciated that this utility model is not restricted to the described embodiments, described in above-described embodiment and description
Principle of the present utility model is simply described, on the premise of without departing from this utility model spirit and scope, this utility model is also
Have various changes and modifications, these changes and improvements both fall within the range of claimed this utility model.This utility model
Claimed scope is by appending claims and its equivalent thereof.
Claims (4)
1. a kind of multiple-arch tunnel non homogeneity adit mouth structure being applied to bias condition is it is characterised in that include backer side portal end
Wall（5）With from versant portal headwall（6）；
Backer side portal headwall（5）With the open cut tunnel lining cutting of backer side（3）Arrival end be fixedly linked, from versant portal headwall（6）With
From versant open cut tunnel lining cutting（4）Arrival end be fixedly linked；
Along tunnel axle longitudinally, in case view directions for facing towards tunnel portal, then backer side open cut tunnel lining cutting（3）Arrival end position
Put and will be bordering on from versant open cut tunnel lining cutting（4）Arrival end position；Namely the length in backer side one width tunnel relatively from versant one
The length in width tunnel；
Backer side portal headwall（5）Pass through backer side light and thin type from mountain end and bias wall（7）With from versant portal headwall（6）Lean on
Mountain end is fixedly linked, and backer side light and thin type bias wall（7）Backer side and the open cut tunnel lining cutting of backer side（3）The side from versant
It is fixedly linked；
Backer side portal headwall（5）Backer end be connected with massif side slope；
Backer side light and thin type bias wall（7）With backer side portal headwall（5）Perpendicular, backer side light and thin type biases wall（7）With from
Versant portal headwall（6）Also perpendicular；
Backer side light and thin type bias wall（7）By horizontal binder（9）With the open cut tunnel lining cutting of backer side（3）Top be fixedly linked；
It is additionally provided with and bias wall from versant gravity type（8）, bias wall from versant gravity type（8）With from versant open cut tunnel lining cutting（4）From
The side of versant is fixedly linked, and with from versant portal headwall（6）It is vertically connected.
2. the multiple-arch tunnel non homogeneity adit mouth structure being applied to bias condition according to claim 1 is it is characterised in that institute
The horizontal binder stated（9）There are many.
3. the multiple-arch tunnel non homogeneity adit mouth structure being applied to bias condition according to claim 2 is it is characterised in that institute
The horizontal binder stated（9）There are 2.
4. the multiple-arch tunnel non homogeneity adit mouth structure being applied to bias condition according to Claims 2 or 3, its feature exists
In described horizontal binder（9）It is 3m/ root along the longitudinally disposed spacing of tunnel axle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621008781.XU CN205977229U (en) | 2016-08-31 | 2016-08-31 | Arcading tunnel non - flushes entrance to a cave structure suitable for bias voltage condition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621008781.XU CN205977229U (en) | 2016-08-31 | 2016-08-31 | Arcading tunnel non - flushes entrance to a cave structure suitable for bias voltage condition |
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| CN205977229U true CN205977229U (en) | 2017-02-22 |
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| CN107299599A (en) * | 2017-07-13 | 2017-10-27 | 黄河勘测规划设计有限公司 | Novel porous oblique pipe culvert structure |
| CN107762535A (en) * | 2017-10-30 | 2018-03-06 | 重庆城建控股(集团)有限责任公司 | Cut-and-cover tunnel secretly does construction technology under complicated geological environment |
| CN108625879A (en) * | 2018-05-28 | 2018-10-09 | 中铁第勘察设计院集团有限公司 | Mountain Tunnels half-open and half-hidden structure and its construction method |
| CN108797405A (en) * | 2018-06-27 | 2018-11-13 | 重庆水利电力职业技术学院 | A kind of buffer structure of the anti-dropstone of Bridge-wire fusing time |
| CN109931075A (en) * | 2019-04-03 | 2019-06-25 | 长江勘测规划设计研究有限责任公司 | The hole arragement construction in steep inclined shaft tunnel |
| CN111779489A (en) * | 2020-07-09 | 2020-10-16 | 中铁三局集团有限公司 | Large-section tunnel construction method for ^ C-shaped section civil air defense section |
| CN113931169A (en) * | 2021-11-03 | 2022-01-14 | 中建五局土木工程有限公司 | Bias multi-arch tunnel portal soft foundation zone combined structure and construction method |
| CN114075985A (en) * | 2020-08-20 | 2022-02-22 | 神华神东煤炭集团有限责任公司 | Pressure arch-based waterproof layer protection method, arch springing construction method and arch springing structure |
| CN109931075B (en) * | 2019-04-03 | 2024-04-12 | 长江勘测规划设计研究有限责任公司 | Hole arrangement structure of steep slope inclined shaft tunnel |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107299599A (en) * | 2017-07-13 | 2017-10-27 | 黄河勘测规划设计有限公司 | Novel porous oblique pipe culvert structure |
| CN107762535B (en) * | 2017-10-30 | 2019-01-25 | 重庆城建控股(集团)有限责任公司 | Cut-and-cover tunnel secretly does construction technology under complicated geological environment |
| CN107762535A (en) * | 2017-10-30 | 2018-03-06 | 重庆城建控股(集团)有限责任公司 | Cut-and-cover tunnel secretly does construction technology under complicated geological environment |
| CN108625879A (en) * | 2018-05-28 | 2018-10-09 | 中铁第勘察设计院集团有限公司 | Mountain Tunnels half-open and half-hidden structure and its construction method |
| CN108797405B (en) * | 2018-06-27 | 2020-06-19 | 重庆水利电力职业技术学院 | Bridge and tunnel are continuous and are prevented falling stone's buffer structure |
| CN108797405A (en) * | 2018-06-27 | 2018-11-13 | 重庆水利电力职业技术学院 | A kind of buffer structure of the anti-dropstone of Bridge-wire fusing time |
| CN109931075A (en) * | 2019-04-03 | 2019-06-25 | 长江勘测规划设计研究有限责任公司 | The hole arragement construction in steep inclined shaft tunnel |
| CN109931075B (en) * | 2019-04-03 | 2024-04-12 | 长江勘测规划设计研究有限责任公司 | Hole arrangement structure of steep slope inclined shaft tunnel |
| CN111779489A (en) * | 2020-07-09 | 2020-10-16 | 中铁三局集团有限公司 | Large-section tunnel construction method for ^ C-shaped section civil air defense section |
| CN111779489B (en) * | 2020-07-09 | 2022-07-08 | 中铁三局集团有限公司 | Construction method of large-section tunnel of interval civil air defense section |
| CN114075985A (en) * | 2020-08-20 | 2022-02-22 | 神华神东煤炭集团有限责任公司 | Pressure arch-based waterproof layer protection method, arch springing construction method and arch springing structure |
| CN114075985B (en) * | 2020-08-20 | 2024-03-19 | 神华神东煤炭集团有限责任公司 | Waterproof layer protection method based on pressure arch, arch foot construction method and arch foot structure |
| CN113931169A (en) * | 2021-11-03 | 2022-01-14 | 中建五局土木工程有限公司 | Bias multi-arch tunnel portal soft foundation zone combined structure and construction method |
| CN113931169B (en) * | 2021-11-03 | 2023-03-10 | 中建五局土木工程有限公司 | Bias multi-arch tunnel portal soft foundation zone combined structure and construction method |
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Legal Events
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 650051 Yunnan province Kunming City Road No. 9 Xiang Shi Tuo Patentee after: Yunnan Transportation Planning & Design Research Institute Co., Ltd. Address before: 650051 Yunnan province Kunming City Road No. 9 Xiang Shi Tuo Patentee before: Broadvision Engineering Consultants |
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| CP01 | Change in the name or title of a patent holder |